diff --git a/download_mcdata.sh b/download_mcdata.sh
old mode 100644
new mode 100755
index 8853328..cb01495
--- a/download_mcdata.sh
+++ b/download_mcdata.sh
@@ -1,10 +1,11 @@
 #!/bin/sh
 
+set -eu
+
 VERSION="1.16.4"
 
-wget -O/tmp/mcdata.zip https://apimon.de/mcdata/$VERSION/$VERSION.zip
-rm -rf minecraft_data
-mkdir minecraft_data
-unzip /tmp/mcdata.zip -d minecraft_data
-rm /tmp/mcdata.zip
-
+wget -Omcdata.zip "https://apimon.de/mcdata/$VERSION/$VERSION.zip"
+rm -r mosfet/minecraft_data
+mkdir mosfet/minecraft_data
+unzip mcdata.zip -d mosfet/minecraft_data
+rm mcdata.zip